docs: def __result_parser(self, analyzed_line, is_feature, is_surface):
          # type: (text_type,bool,bool)->TokenizedResult
          """Extract surface word and feature from analyzed line.
          Extracted elements are returned with TokenizedResult class
          """
          assert isinstance(analyzed_line, str)
          assert isinstance(is_feature, bool)
          assert isinstance(is_surface, bool)
  
          surface, features = analyzed_line.split('\t', 1)
          tuple_pos, word_stem = self.__feature_parser(features, surface)
          tokenized_obj = TokenizedResult(
              node_obj=None,
              analyzed_line=analyzed_line,
              tuple_pos=tuple_pos,
              word_stem=word_stem,
              word_surface=surface,
              is_feature=is_feature,
              is_surface=is_surface
          )
          return tokenized_obj